Oklahoma Jury's Duties-Introduction to Instructions- To be Given After the Evidence consist of the following duties: 1. Evaluate the credibility of each witness: Jurors must decide which of the witnesses presented credible and reliable testimony. In doing so, jurors must consider the witness's demeanor, opportunity to observe, memory, and any interest or bias they may have. 2. Decide the facts in the case: Jurors are to consider the evidence presented by both sides and decide which facts are most supported by the evidence. 3. Draw reasonable inferences from facts: The jury is to draw reasonable inferences from the facts presented in order to determine the truth. 4. Follow the law as given by the judge: Jurors must follow the law as instructed by the judge and apply it to the facts of the case. 5. Reach a verdict: Ultimately, jurors must reach a verdict on the case based on their evaluation of the evidence and application of the law.